Review on π΄ Highly Effective 8 Channel 5V Relay Module with Optocoupler Isolation for High/Low Level Trigger Relay Support β Red Board by Ryan Person
Compatible with Raspberry Pi!
Superb relay board. Solid construction, everything works. I particularly like the optocoupler input design, which allows sensitive switching with only 5mA current draw on each active line. I tested this with a Raspberry Pi with 3.3V logic levels and it works fine. Big!
- Confident
- Out of fashion
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